1)
2. prepares
3. have
4. leave
5. is
6. doesn't work
7. teaches
8. is
9. go
10. don't return
11. go
12. comes
13. doesn't come
14. is
2)
1. is not helping
2. is watching
3. drinking
4. are not watching
5. are doing
6. is writing
7. is reading
8. is not playing
9. is lying